13319 has 4 divisors (see below), whose sum is σ = 14040. Its totient is φ = 12600.

The previous prime is 13313. The next prime is 13327. The reversal of 13319 is 91331.

13319 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13319 - 2⁸ = 13063 is a prime.

It is a super-2 number, since 2×13319² = 354791522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13297 and 13306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 369.

It is an arithmetic number, because the mean of its divisors is an integer number (3510).

2¹³³¹⁹ is an apocalyptic number.

13319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13319 is a deficient number, since it is larger than the sum of its proper divisors (721).

13319 is an equidigital number, since it uses as much as digits as its factorization.

13319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its digits is 81, while the sum is 17.

The square root of 13319 is about 115.4079719950. The cubic root of 13319 is about 23.7041219605.

The spelling of 13319 in words is "thirteen thousand, three hundred nineteen".